Air-conditioned coaches connect major and minor cities and are often faster and more convenient than local trains, but are also slightly more expensive. Various companies serve the different routes. SAIS runs frequently between Palermo and Catania, Messina, and Siracusa, in each case arriving at and departing from near the train stations. Cuffaro (091/6161510. www.cuffaro.info) runs between Palermo and Agrigento. On the south and east coasts and in the interior, SAIS (800/211020 toll-free. www.saisautolinee.it) connects the main centers, including Catania, Agrigento, Enna, Taormina, and Siracusa. Interbus/Etna Trasporti (0935/565111. www.interbus.it) operates between Catania, Caltagirone, Piazza Armerina, Taormina, Messina, and Siracusa.